air quality

What is Particulate Matter (PM2.5) and the Environmental Significance

Particulate Matter (PM) comprises a diverse mix of solid and liquid particles suspended in the atmosphere, varying in size, chemical composition, and origin (U.S. Environmental Protection Agency [EPA], 2023). Among...

July 14, 2025

5 min read

This Week in Air Quality Research: Novel Insights and Sensor Advances (23-June-2025)

I have been keeping up with air quality research to understand emerging risks, technological advances, and policy implications. This week I’m spotlighting literature that highlights the increasing role of low-cost...

June 23, 2025

6 min read

Guide to Accessing Air Quality Data from US Embassies Worldwide

AirNow.gov is a collaborative platform involving the US Environmental Protection Agency (EPA), the National Oceanic and Atmospheric Administration (NOAA), and other agencies, dedicated to providing air quality information to the...

February 24, 2025

3 min read

Ambient Air Quality Standards in West Africa: The Current State (2025)

In the rapidly urbanizing region of West Africa, ambient air quality has become a pressing concern. With cities expanding and industrialization on the rise, the air we breathe is increasingly...

January 13, 2025

5 min read

Understanding the Air Quality Index (AQI)

The Air Quality Index (AQI) is a vital tool developed by the U.S. Environmental Protection Agency (EPA) to communicate outdoor air quality and its potential health impacts. This index provides...

October 29, 2024

9 min read

How Google forecasts Weather and Air Quality Data

Google’s weather forecasts are created using an internal forecasting system that combines weather models and observations from various global weather agencies. The primary data sources for Google’s weather forecasting include:...

October 28, 2024

2 min read